u/Electronic_Juice_637

Lower back feels fine now that I squeeze my lats before the pull but I’ve had lower back pain previously.

Background: I’ve been using Runna for over a year now but this is the first time I’ve ran intervals on track.

The problem: Runna consistently records less distance than I actually ran for each interval, which throws off the calculated pace even though my effort was consistent.
For example, my 800m reps are showing as 0.79 km instead of 0.80+ actual, and my 600m reps are showing as 0.59km — small shortfalls, but enough to make the pace/km numbers look off compared to what I actually ran.

Attaching a screenshot of the lap breakdown from a recent session — you can see the distances aren’t lining up with the prescribed rep distances, which is throwing the per-km splits off.

Has anyone found a fix for this? Trying to figure out if it’s:
• A GPS/Track Detection accuracy issue
• A Runna sync/rounding issue when pulling data from Apple Health
• Something in my watch settings (auto-lap, auto-pause, etc.)

Would appreciate any insight from people who’ve dealt with this and gotten clean, accurate track data into Runna.